Home / 18,467.89-25,485.74-10,084.39

Finding the Fourth Proportional to 18,467.89, 25,485.74 and 10,084.39

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Solution

The fourth proportional to 18,467.89, 25,485.74 and 10,084.39 is: 13,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.89 : 25,485.74 = 10,084.39 : x
  2. Step 2: Convert to fraction form
    18,467.89/25,485.74 = 10,084.39/x
  3. Step 3: Cross multiply
    18,467.89x = 25,485.74 × 10,084.39
  4. Step 4: Simplify right side
    18,467.89x = 257,008,091.18
  5. Step 5: Solve for x
    x = 257,008,091.18/18,467.89
  6. Step 6: Final answer
    x = 13,916.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.